[clang] [clang][SYCL] Add SYCL spelling for AS attributes (PR #200849)

[via cfe-commits]

================
@@ -312,3 +313,26 @@ void clang::takeAndConcatenateAttrs(ParsedAttributes &First,
   if (Second.Range.getEnd().isValid())
     First.Range.setEnd(Second.Range.getEnd());
 }
+
+LangAS ParsedAttr::asLangAS() const {
+  switch (getParsedKind()) {
+  case ParsedAttr::AT_OffloadGlobalAddressSpace:
+    return OffloadGlobalAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_OffloadGlobalDeviceAddressSpace:
+    return OffloadGlobalDeviceAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_OffloadGlobalHostAddressSpace:
+    return OffloadGlobalHostAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_OffloadLocalAddressSpace:
+    return OffloadLocalAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_OffloadPrivateAddressSpace:
+    return OffloadPrivateAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_OffloadConstantAddressSpace:
+    return OffloadConstantAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_OffloadGenericAddressSpace:
+    return OffloadGenericAddressSpaceAttr::getLangAS(*this);
+  case ParsedAttr::AT_HLSLGroupSharedAddressSpace:
+    return LangAS::hlsl_groupshared;
+  default:
+    return LangAS::Default;
+  }
+}
----------------
elizabethandrews wrote:

Based on an offline discussion, separate attributes were implemented

https://github.com/llvm/llvm-project/pull/200849